Cubelock - Window Restrictors

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RRP: £9.17 +VAT

Trade Price:
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To order a box, please order 10

Code Type Handing Size Stock Box Qty RRP Trade Price Qty
RST90000 CLS1 - Standard Key Lock Mechanism Non-handed 200mm 10+ 10 £13.40 Apply/​Login
RST91000 CLS3 - Standard Key Lock Mechanism Non-handed 200mm 10+ 10 £24.73 Apply/​Login
RST92000 CLB1 - Captive Key Lock Mechanism Non-handed 200mm 10+ 10 £9.17 Apply/​Login
Prices are excluding VAT


These Cubelock child safety window locks offer a quick and simple way to increase window safety and protect occupants, whether they’re fitted at ground level or high up. All Cubelock window restrictors limit the opening sash to give a gap no greater than 89mm. This stops even small children falling out and complies with the European child safety standard BS EN 13126-5:2011. The Cubelock restrictor device is ideal for use in homes and apartments, as well as commercial and public buildings such as hotels and hospitals.


  • Suitable for use on wood, aluminium, PVCu and steel window frames
  • Cable length: 200mm
  • Allows maximum 89mm opening to comply with child safety function of BS EN 13126-5:2011
  • Independently tested to withstand a breaking force of 1971N
  • (RST90000) CLS1 and (RST91000) CLS3 combi restrictors
    are both secured with a standard key mechanism
  • (RST92000) CLB1 restrictor has a captive key disc lock mechanism, so the key won’t get lost when open
  • The sash fixing point for the CLS3 combi Cubelock fits behind the window handle and the locking mechanism fits directly below on the frame
  • Includes tamper-proof screws to reduce the likelihood of abuse
  • Available from stock in white
Box Quantity Various - select product options to display box quantity
Part Code RST90000 | RST91000 | RST92000

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